ath9k_hw: add default chainmask for AR9462

the default tx/rx chainmask for AR9462 is 0x3.
this patch helps to assign 0x3 rather than 0x7 for
AR9462 with the help of fix_chainmask module if something
goes wrong in reading tx/rx chain mask from OTP/EEPROM
card(though its very unlikely)

Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 5aa75c33d4a211de737417e7bf8f1c7dc2018b75..6ceb2e188080125ca2c99e9607652af588184fe7 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2312,6 +2312,8 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
 
        if (AR_SREV_9485(ah) || AR_SREV_9285(ah) || AR_SREV_9330(ah))
                chip_chainmask = 1;
+       else if (AR_SREV_9462(ah))
+               chip_chainmask = 3;
        else if (!AR_SREV_9280_20_OR_LATER(ah))
                chip_chainmask = 7;
        else if (!AR_SREV_9300_20_OR_LATER(ah) || AR_SREV_9340(ah))